Ternary Complexes of BiI/CuI and SbI/CuI with Tetrahydrothiophene.

Reactions of BiI/CuI mixtures with tetrahydrothiophene (THT) in toluene produce 2-D sheet networks BiCuI(THT) ( = 2, 3, or 4), depending on reaction conditions. All three structures are based on BiI octahedra, which share pairs of (μ-I) with Cu(THT) units. BiCuI(THT) features Cu(μ-I) rhombs with close Cu···Cu interactions and is accompanied by formation of the very complex HBiCuI(THT).